<template>
  <div v-title data-title="微信团购后台管理系统" class="login" >
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">微信团购后台管理系统</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          class="laowang-bts"
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
<!--      <span>Copyright © 2018-2021 ruoyi.vip All Rights Reserved.</span>-->
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            this.getCode();
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    background-image: url("../assets/images/login-background.jpg");
    /*background-size: cover;*/
  }
  .title {
    margin: 0px auto 30px auto;
    font-size: 23px;
    text-align: center;
    color: #ffffff;
    text-shadow: 0 0 10px white;
  }

  .login-form {
    border-radius: 6px;
    background: rgba(10, 13, 19, 0.2);
    backdrop-filter: blur(11px);
    width: 400px;
    padding: 25px 25px 5px 25px;
    .el-input {
      height: 38px;
      input {
        height: 38px;
      }
    }
    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #ffffff;
  }
  .login-code {
    width: 33%;
    height: 38px;
    float: right;
    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .login-code-img {
    height: 38px;
  }
  .login input.el-input__inner{
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 15px;
    text-shadow: 0 0 5px white;
  }


  .login-form .el-input input:hover{
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 15px;
    text-shadow: 0 0 5px white;
    box-shadow: 0 0 10px white;
  }

  .laowang-bts{
    background-color: rgba(77, 126, 201, 0.1);
    border: 1px solid #ffffff;
    /*box-shadow: 0 0 10px white;*/
  }

  .laowang-bts:hover{
    background-color: rgba(77, 126, 201, 0.1);
    border: 1px solid #ffffff;
    box-shadow: 0 0 10px white;
    text-shadow: 0 0 10px white;
  }
  .el-checkbox:active{
    color: #1e1e1e;
  }

  .text-focus-in {
    -webkit-animation: text-focus-in 1.5s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
    animation: text-focus-in 1.5s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
  }

  @-webkit-keyframes text-focus-in {
    0% {
      -webkit-filter: blur(12px);
      filter: blur(12px);
      opacity: 0;
    }
    100% {
      -webkit-filter: blur(0px);
      filter: blur(0px);
      opacity: 1;
    }
  }
  @keyframes text-focus-in {
    0% ,50%{
      -webkit-filter: blur(12px);
      filter: blur(12px);
      opacity: 0;
    }
    100% {
      -webkit-filter: blur(0px);
      filter: blur(0px);
      opacity: 1;
    }
  }

  .box {
    display: flex;
    position: absolute;
    top: 10px;
  }

  .box .inner {
    width: 7em;
    height: 3em;
    line-height: 3em;
    font-size: 70px;
    font-family: sans-serif;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
  }

  video{
    position: absolute;
    right:0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -9999;
    /*灰色调*/
    /*-webkit-filter:grayscale(100%)*/

  }

</style>
